Inā pono ʻoe e neʻe me ka māmā haʻahaʻa ma nā wahi ʻole a i ʻole ka lepo palupalu, hiki iā ʻoe ke koho i kahi rig wili me ke ala crawler track undercarriage. ʻO ka paʻa o ka rig ma muli o ka ʻili o ke ala. No laila, ʻoi aku ka laulā o ke ala, ʻoi aku ka paʻa o ka rig. Akā, ʻoi aku ka wikiwiki o ka pau ʻana o nā ala ākea a hōʻino i ka lepo i ka wā e neʻe ai, ʻoi aku hoʻi i ka wā e huli ai. Ke holo nei ka rig wili ʻana ma kahi o 4 km/h, e kūpono ana ia no nā hana e pono ai ke kaʻa liʻiliʻi.